21970650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{593}}^1$

素因数の和:640

約数の個数: 96

約数和(自身を含む): 61871040

約数和(自身を除く): 39900390

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 25, 26, 30, 38, 39, 50, 57, 65, 75, 78, 95, 114, 130, 150, 190, 195, 247, 285, 325, 390, 475, 494, 570, 593, 650, 741, 950, 975, 1186, 1235, 1425, 1482, 1779, 1950, 2470, 2850, 2965, 3558, 3705, 5930, 6175, 7410, 7709, 8895, 11267, 12350, 14825, 15418, 17790, 18525, 22534, 23127, 29650, 33801, 37050, 38545, 44475, 46254, 56335, 67602, 77090, 88950, 112670, 115635, 146471, 169005, 192725, 231270, 281675, 292942, 338010, 385450, 439413, 563350, 578175, 732355, 845025, 878826, 1156350, 1464710, 1690050, 2197065, 3661775, 4394130, 7323550, 10985325, 21970650]

約数ペア:

[(1, 21970650), (2, 10985325), (3, 7323550), (5, 4394130), (6, 3661775), (10, 2197065), (13, 1690050), (15, 1464710), (19, 1156350), (25, 878826), (26, 845025), (30, 732355), (38, 578175), (39, 563350), (50, 439413), (57, 385450), (65, 338010), (75, 292942), (78, 281675), (95, 231270), (114, 192725), (130, 169005), (150, 146471), (190, 115635), (195, 112670), (247, 88950), (285, 77090), (325, 67602), (390, 56335), (475, 46254), (494, 44475), (570, 38545), (593, 37050), (650, 33801), (741, 29650), (950, 23127), (975, 22534), (1186, 18525), (1235, 17790), (1425, 15418), (1482, 14825), (1779, 12350), (1950, 11267), (2470, 8895), (2850, 7709), (2965, 7410), (3558, 6175), (3705, 5930)]